feat(track-a): promote P1 bridge from current main

[blakinio]

Coordinator current-main promotion replay

Task: OTC-20260816-track-a-p1-bridge-health-recovery
Lane: P1-BRIDGE
Base: main@d3f186414256151c9d5e03f34c5a9026b1fba500
Execution: GitHub-hosted; runtime_access: none; no physical runtime mutation.

This is a clean coordinator replay of the already-audited P1 implementation from #372 onto current main. All P1 implementation/test/profile blobs are reused exactly from accepted head fae521fdb3b84acfd2d13baaedc676142aabb10e. The MODULE_CATALOG.md and CHANGELOG.md blobs are also reused exactly because compare dbd9520e..d3f18641 proves current main did not modify either shared path after #372's replay base.

Why a new PR: #372 is 30 commits behind current main; those later commits are non-overlapping Track A runtime/diagnostic work, so a clean exact-blob replay gives a current-main promotion vehicle without importing stale branch history.

Promotion remains gated on final exact-head governance/repository CI, zero unresolved review threads, coordinator diff review, and terminal disposition of #372. Physical attach/restart/relogin remains RUNTIME-owned and is not claimed by this hosted producer.

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[blakinio]

Coordinator terminal gate checkpoint: semantic/diff review remains ACCEPT, material findings 0, review threads 0, head remains c87ef86763ac2a92367831180ce623f7e7628ebe, and pre-ready exact-head Track A governance 31964526901, canonical-live governance 31964526899, and CI 31964527081 are SUCCESS. Marking the PR ready generated required non-Draft CI run 31964646912; branch protection correctly blocks merge until its CI / Required completes. The run is still in progress in the two Linux compile jobs. No bypass, force, merge of a moved head, rerun, or duplicate generation is authorized while this required generation is live.